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CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
bluebird bio, Inc. stock logo
BLUE
bluebird bio
$4.97
$4.63
$3.20
$28.60
$48.67M0.27440,182 shsN/A
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
$119.99
$119.23
$99.74
$120.05
$4.72B0.47148,695 shs390,921 shs
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
$0.18
$113.43
$34.53
$114.20
$6.94M2.05891,560 shsN/A
Repligen Corporation stock logo
RGEN
Repligen
$124.38
+0.7%
$127.95
$102.97
$182.52
$6.94B1.11728,883 shs654,389 shs
Acceleron Pharma Inc. stock logo
XLRN
Acceleron Pharma
$178.75
$176.25
$108.82
$189.99
$10.93B0.13572,759 shsN/A
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
bluebird bio, Inc. stock logo
BLUE
bluebird bio
0.00%0.00%0.00%+1.84%-74.75%
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
0.00%0.00%0.00%0.00%0.00%
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
0.00%0.00%0.00%0.00%0.00%
Repligen Corporation stock logo
RGEN
Repligen
0.00%+3.96%+5.01%-2.89%-1.98%
Acceleron Pharma Inc. stock logo
XLRN
Acceleron Pharma
0.00%0.00%0.00%0.00%0.00%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
bluebird bio, Inc. stock logo
BLUE
bluebird bio
2.125 of 5 stars
3.10.00.00.01.61.71.3
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
N/AN/AN/AN/AN/AN/AN/AN/A
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
N/AN/AN/AN/AN/AN/AN/AN/A
Repligen Corporation stock logo
RGEN
Repligen
4.772 of 5 stars
4.32.00.04.52.71.71.9
Acceleron Pharma Inc. stock logo
XLRN
Acceleron Pharma
0.6755 of 5 stars
0.00.00.04.50.01.70.6
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
bluebird bio, Inc. stock logo
BLUE
bluebird bio
2.25
Hold$44.60797.38% Upside
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
0.00
N/AN/AN/A
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
0.00
N/AN/AN/A
Repligen Corporation stock logo
RGEN
Repligen
2.69
Moderate Buy$172.8338.96% Upside
Acceleron Pharma Inc. stock logo
XLRN
Acceleron Pharma
0.00
N/AN/AN/A

Current Analyst Ratings Breakdown

Latest BLUE, XLRN, CBPO, ONCE, and RGEN Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
6/24/2025
Repligen Corporation stock logo
RGEN
Repligen
Barclays
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Initiated CoverageOverweight$150.00
5/5/2025
Repligen Corporation stock logo
RGEN
Repligen
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$180.00 ➝ $180.00
4/30/2025
Repligen Corporation stock logo
RGEN
Repligen
Royal Bank Of Canada
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetOutperform ➝ Outperform$202.00 ➝ $189.00
4/29/2025
Repligen Corporation stock logo
RGEN
Repligen
JPMorgan Chase & Co.
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetOverweight ➝ Overweight$200.00 ➝ $190.00
4/29/2025
Repligen Corporation stock logo
RGEN
Repligen
Wolfe Research
Subscribe to MarketBeat All Access for the recommendation accuracy rating
UpgradePeer Perform ➝ Outperform$160.00
4/16/2025
Repligen Corporation stock logo
RGEN
Repligen
Canaccord Genuity Group
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetHold ➝ Hold$170.00 ➝ $150.00
3/31/2025
bluebird bio, Inc. stock logo
BLUE
bluebird bio
Barclays
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetOverweight ➝ Overweight$40.00 ➝ $8.00
(Data available from 6/30/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
bluebird bio, Inc. stock logo
BLUE
bluebird bio
$103.95M0.47N/AN/A$35.59 per share0.14
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
$503.70M9.38$5.01 per share23.93$45.09 per share2.66
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
$64.72M0.11N/AN/A$13.15 per share0.01
Repligen Corporation stock logo
RGEN
Repligen
$634.44M11.01$3.13 per share39.77$35.21 per share3.53
Acceleron Pharma Inc. stock logo
XLRN
Acceleron Pharma
$92.52M118.15N/AN/A$11.74 per share15.23
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
bluebird bio, Inc. stock logo
BLUE
bluebird bio
-$211.91M-$41.32N/AN/AN/A-565.74%-322.46%-53.17%8/12/2025 (Estimated)
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
$138.81M$4.2833.5227.90N/A27.43%8.32%7.64%N/A
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
-$78.82M-$2.11N/AN/AN/A-358.41%-59.10%-33.13%N/A
Repligen Corporation stock logo
RGEN
Repligen
-$25.51M-$0.45N/A52.703.54-3.93%4.53%3.17%7/29/2025 (Estimated)
Acceleron Pharma Inc. stock logo
XLRN
Acceleron Pharma
-$166.03M-$4.21N/AN/AN/A-226.01%-32.11%-29.45%N/A

Latest BLUE, XLRN, CBPO, ONCE, and RGEN Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
4/29/2025Q1 2025
Repligen Corporation stock logo
RGEN
Repligen
$0.35$0.39+$0.04$0.10$163.65 million$169.17 million
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
bluebird bio, Inc. stock logo
BLUE
bluebird bio
N/AN/AN/AN/AN/A
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
N/AN/AN/AN/AN/A
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
N/AN/AN/AN/AN/A
Repligen Corporation stock logo
RGEN
Repligen
N/AN/AN/AN/AN/A
Acceleron Pharma Inc. stock logo
XLRN
Acceleron Pharma
N/AN/AN/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
bluebird bio, Inc. stock logo
BLUE
bluebird bio
0.37
0.51
0.33
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
N/A
12.01
10.13
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
0.35
4.67
4.35
Repligen Corporation stock logo
RGEN
Repligen
0.27
6.79
5.79
Acceleron Pharma Inc. stock logo
XLRN
Acceleron Pharma
N/A
12.14
12.14

Institutional Ownership

CompanyInstitutional Ownership
bluebird bio, Inc. stock logo
BLUE
bluebird bio
87.43%
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
34.77%
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
88.37%
Repligen Corporation stock logo
RGEN
Repligen
97.64%
Acceleron Pharma Inc. stock logo
XLRN
Acceleron Pharma
90.35%

Insider Ownership

CompanyInsider Ownership
bluebird bio, Inc. stock logo
BLUE
bluebird bio
1.40%
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
2.73%
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
6.00%
Repligen Corporation stock logo
RGEN
Repligen
1.20%
Acceleron Pharma Inc. stock logo
XLRN
Acceleron Pharma
1.70%
CompanyEmployeesShares OutstandingFree FloatOptionable
bluebird bio, Inc. stock logo
BLUE
bluebird bio
5209.79 million9.59 millionOptionable
China Biologic Products Holdings, Inc. stock logo
CBPO
China Biologic Products
2,26939.36 millionN/AOptionable
Spark Therapeutics Inc stock logo
ONCE
Spark Therapeutics
36838.52 millionN/ANo Data
Repligen Corporation stock logo
RGEN
Repligen
1,77856.18 million55.51 millionOptionable
Acceleron Pharma Inc. stock logo
XLRN
Acceleron Pharma
31261.16 million60.12 millionOptionable

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bluebird bio stock logo

bluebird bio NASDAQ:BLUE

$4.97 0.00 (0.00%)
As of 06/2/2025

bluebird bio, Inc., a biotechnology company, researches, develops, and commercializes gene therapies for severe genetic diseases. Its product candidates for severe genetic diseases include ZYNTEGLO (betibeglogene autotemcel) for the treatment of transfusion-dependent ß-thalassemia; lovotibeglogene autotemcel for the treatment of sickle cell disease (SCD); and SKYSONA (elivaldogene autotemcel) to treat cerebral adrenoleukodystrophy. The company's clinical development programs include HGB-205, HGB-206, and HGB-210 to evaluate the safety and efficacy of lovo-cel in the treatment of patients with SCD; and HGB-204, HGB-205, HGB-207, and HGB-212 to evaluate the safety and efficacy of beti-cel in the treatment of patients with ß-thalassemia. It has license agreement with Orchard Therapeutics Limited. The company was formerly known as Genetix Pharmaceuticals, Inc., and changed its name to bluebird bio, Inc. in September 2010. bluebird bio, Inc. was incorporated in 1992 and is headquartered in Somerville, Massachusetts.

China Biologic Products stock logo

China Biologic Products NASDAQ:CBPO

China Biologic Products Holdings, Inc. engages in the research, development, manufacture, and sale of human plasma-based biopharmaceutical products to hospitals and inoculation centers in the People's Republic of China. It offers human albumin for treating shock caused by blood loss trauma or burn; raised intracranial pressure caused by hydrocephalus or trauma; oedema or ascites caused by hepatocirrhosis and nephropathy; and neonatal hyperbilirubinemia, as well as for the prevention and treatment of low-density-lipoproteinemia. The company also provides human immunoglobulin and IVIG for original and secondary immunoglobulin deficiency, auto-immune deficiency, and immunoglobulin G secondary deficiency; human hepatitis B immunoglobulin for the prevention of measles and contagious hepatitis; human rabies immunoglobulin primarily for passive immunity from bites or claws by rabies or other infected animals; and human tetanus immunoglobulin for the prevention and therapy of tetanus. In addition, it offers placenta polypeptide for the treatment of cell immunity deficiency diseases, viral infection, and leucopenia, as well as assists in postoperative healing; factor VIII for treating coagulopathies; human fibrinogen; and human prothrombin complex concentrate for treating congenital and acquired clotting factor II, VII, IX, X deficiency, as well as excessive anticoagulant, vitamin K deficiency, etc. Further, the company is developing Human fibrinogen for the treatment for lack of fibrinogen and increase human fibrinogen concentration; and artificial dura and spinal dura mater products for use in brain and spinal surgeries. The company sells its products directly, as well as through distributors. The company was formerly known as China Biologic Products, Inc. and changed its name to China Biologic Products Holdings, Inc. in July 2017. China Biologic Products Holdings, Inc. is headquartered in Beijing, the People's Republic of China.

Spark Therapeutics stock logo

Spark Therapeutics NASDAQ:ONCE

Spark Therapeutics, Inc. focuses on the development of gene therapy products for patients suffering from debilitating genetic diseases. Its products include LUXTURNA (voretigene neparvovec) for the treatment of patients with confirmed biallelic RPE65 mutation-associated retinal dystrophy and viable retinal cells. The company's gene therapy product candidates comprise SPK-8011 and SPK-8016 for hemophilia; SPK-7001 for choroideremia; and SPK-9001 for hemophilia B. It is also developing other liver-directed gene therapies, including SPK-3006 for Pompe disease; and neurodegenerative disease product candidates to address Huntington's disease and others, as well as TPP1 deficiency, which is a form of Batten disease. The company's preclinical programs targets inherited retinal diseases, including Stargardt's disease. The company has collaboration agreement with Pfizer, Inc. for the development and commercialization of SPK-FIX product candidates in its gene therapy program for the treatment of hemophilia B. It also has licensing and commercialization agreement with Novartis to develop and commercialize voretigene neparvovec outside the United States. Spark Therapeutics, Inc. was founded in 2013 and is headquartered in Philadelphia, Pennsylvania.

Repligen stock logo

Repligen NASDAQ:RGEN

$124.38 +0.82 (+0.66%)
As of 04:00 PM Eastern

Repligen Corporation develops and commercializes bioprocessing technologies and systems for use in biological drug manufacturing process in North America, Europe, the Asia Pacific, and internationally. It offers Protein A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products. The company's chromatography products include OPUS pre-packed chromatography columns, which are used in the purification of biologics; and OPUS smaller-scale columns that are used in the high throughput process development screening, viral clearance validation studies, and scale down validation of chromatography processes. It also offers ELISA test kits; and chromatography resins under the CaptivA brand. In addition, the company provides filtration products, such as XCell Alternating Tangential Flow systems that are filtration devices used in upstream perfusion and cell culture processing; TangenX flat sheet cassettes, which are used in downstream biologic drug concentration, buffer exchange, and formulation processes; KrosFlo tangential flow filtration and tangential flow depth filtration systems; Spectra/Por laboratory and process dialysis products, and ProConnex TFDF flow paths. Further, it provides process analytics products, such as slope spectroscopy systems under the SoloVPE, FlowVPE, and FlowVPX brands. The company sells its products to life sciences, biopharmaceutical, and diagnostics companies; laboratory researchers; and contract manufacturing organizations. Repligen Corporation has collaboration agreements with Navigo Proteins GmbH to develop multiple affinity ligands. The company was incorporated in 1981 and is headquartered in Waltham, Massachusetts.

Acceleron Pharma stock logo

Acceleron Pharma NASDAQ:XLRN

Acceleron Pharma, Inc. is a biopharmaceutical company, which engages in the discovery, development and commercialization of therapeutics to treat serious and rare diseases. Its product candidates include Luspatercept, designed to patients with chronic anemia associated within a wide range of blood diseases; ACE-083, designed for the treatment of focal muscle disorders; and Sotatercept, designed to treat pulmonary arterial hypertension. The company was founded by John L. Knopf and Thomas P. Maniatis in June 2003 and is headquartered in Cambridge, MA.